RBI OFFICER GRADE 'B' PHASE-I EXAM Held on : 09.11.2019(Part-I)

Total Questions: 50

11. Study the following information carefully and answer the questions given below :

From the questions (11-15)
A number arrangement machine when given an input line of numbers rearranges them following a particular rule. The following is an illustration of input and rearrangement.
(Note: All the given numbers are two digit numbers only)

Row Label	Column 1	Column 2	Column 3	Column 4	Column 5	Column 6	Column 7	Column 8	Column 9	Column 10
Input	84	79	36	42	17	63	89	95	28	57
Step-I	20	14	84	79	36	42	63	89	95	57
Step-II	18	21	20	14	84	79	63	89	95	57
Step-III	60	66	18	21	20	14	84	79	89	95
Step-IV	82	42	60	66	18	21	20	14	89	95
Step-V	92	98	82	42	60	66	18	21	20	14

Step-V is the last step of the above arrangement as the intended output of rearrangement is obtained.
As per the rules followed in the above steps, determine the appropriate steps for the given input:
Which of the element/s appear in the given input as well as in the last step of the given input?

Correct Answer: (5) Only 90

Solution:After careful observation of the given Input and the various steps of rearrangement, it is evident that two numbers are rearranged in each step from the left side in ascending order. The odd number is written after rearrangement adding '3' while the even number is halved.

Row Label	Column 1	Column 2	Column 3	Column 4	Column 5	Column 6	Column 7	Column 8	Column 9	Column 10
Input	47	87	38	15	56	54	64	71	90	29
Step-I	18	32	47	87	38	56	54	64	71	90
Step-II	19	50	18	32	87	56	54	64	71	90
Step-III	27	28	19	50	18	32	87	64	71	90
Step-IV	32	74	27	28	19	50	18	32	87	90
Step-V	90	45	32	74	27	28	19	50	18	32

The element '90' appears in the given input as well as in the last step of the given input.

12. Study the above information carefully and answer the question.

What will be the sum of the third element from the right end of step II and the fifth element from the left end of step I of the given input?

Correct Answer: (2) 102

Row Label	Column 1	Column 2	Column 3	Column 4	Column 5	Column 6	Column 7	Column 8	Column 9	Column 10
Input	47	87	38	15	56	54	64	71	90	29
Step-I	18	32	47	87	38	56	54	64	71	90
Step-II	19	50	18	32	87	56	54	64	71	90
Step-III	27	28	19	50	18	32	87	64	71	90
Step-IV	32	74	27	28	19	50	18	32	87	90
Step-V	90	45	32	74	27	28	19	50	18	32

3rd element from the right end of the Step-II ⇒ $\Rightarrow 64$
5th element from the left end of Step-I ⇒ $\Rightarrow 38$ Required sum $= 64 + 38 = 102$

13. Study the above information carefully and answer the question.

In step IV, what is the position of '87' from the right end?

Correct Answer: (4) Second

Row Label	Column 1	Column 2	Column 3	Column 4	Column 5	Column 6	Column 7	Column 8	Column 9	Column 10
Input	47	87	38	15	56	54	64	71	90	29
Step-I	18	32	47	87	38	56	54	64	71	90
Step-II	19	50	18	32	87	56	54	64	71	90
Step-III	27	28	19	50	18	32	87	64	71	90
Step-IV	32	74	27	28	19	50	18	32	87	90
Step-V	90	45	32	74	27	28	19	50	18	32

In step IV, the element '87' is second from the right end.

14. Study the above information carefully and answer the question.

Which of the following is the fourth element to the left of the seventh element from the left end of the step III of the given input?

Correct Answer: (1) 19

Row Label	Column 1	Column 2	Column 3	Column 4	Column 5	Column 6	Column 7	Column 8	Column 9	Column 10
Input	47	87	38	15	56	54	64	71	90	29
Step-I	18	32	47	87	38	56	54	64	71	90
Step-II	19	50	18	32	87	56	54	64	71	90
Step-III	27	28	19	50	18	32	87	64	71	90
Step-IV	32	74	27	28	19	50	18	32	87	90
Step-V	90	45	32	74	27	28	19	50	18	32

4th element to the left of the 7th element from the left end me- and 3rd element from the left end.
3rd element from the left end of the Step-III⇒ $\Rightarrow 19$

15. Study the above information carefully and answer the question.

How many elements are there between '50' and '54' in step II of the given input?

Correct Answer: (5) More than three

Row Label	Column 1	Column 2	Column 3	Column 4	Column 5	Column 6	Column 7	Column 8	Column 9	Column 10
Input	47	87	38	15	56	54	64	71	90	29
Step-I	18	32	47	87	38	56	54	64	71	90
Step-II	19	50	18	32	87	56	54	64	71	90
Step-III	27	28	19	50	18	32	87	64	71	90
Step-IV	32	74	27	28	19	50	18	32	87	90
Step-V	90	45	32	74	27	28	19	50	18	32

Step- II :

16. Study the following information carefully and answer the question given below :

The 'Fit-Me' watches have been trending on the online shopping sites since the past few months. As per the market experts, 'These watches would not sustain the 'Internet publicity' for long and will be back to their base market losing all the recent attention they have received from the younger population.
' Which of the following statements can be inferred from the given information?
(A) The 'Fit-Me' watches have started being sold through online site only recently.
(B) A major reason of 'Fit-Me' being popular among youngsters is its online availability. (C) Once the online craze of 'Fit-Me' watches will drastically drop.

Correct Answer: (3) Both (B) and (C)

Solution:Both (B) and (C) can be inferred from the given information. It is not possible to infer that 'Fit-Me' watches is being sold through online site right from its launch or recently. Therefore, (A) does not follow.

17. Study the following information carefully and answer the questions given below :

From the questions (17-20)
A certain number of people are sitting in a straight line facing north. H sits second to the right of the 13 year old. Only five people sit between H and K. The 25 year old sits third to the left of K. Only four people sit between the 25 year old and the 10 year old. B sits second to the right of the 10 year old. B sits at one of the extreme ends of the line. As many people sit between H and B as between the ones who are 13 and 42 year old. As many people sit to the right of K as to the left of the 42 year old. M sits fifth from one of the extreme ends of the line. G sits sixth to the right of M.
How many people sit between G and H?

Correct Answer: (5) Five

Solution:

Five persons sit between G and H.